.... The results, however, show a high level of agreement about one of the most debated issues concerning Islam: Whether Muslims believe Islamic teaching is subject to various “interpretations” or only one.
As Islamic teaching is derived from the Qur’an, the Sira, and the ahadith (which together are the main sources for Sharia, or Islamic law), in essence this was a question about Muslim beliefs about the fundamentals of their faith.
.... According to the Pew survey results, a majority (more than 50%) of Muslims in 32 of 39 countries believes that “There is only one true way to interpret the teachings of my religion.” [radicalislam.org] Read more